TDK Corporation Consolidated 2Q of FY March 2011(U.S. GAAP) (7) Consolidated Supplementary Information 1. Exchange rates used for conversion Term Item The end of the period As of September 30, 2010 US$=Yen Euro=Yen 83.82 114.24 As of September 30, 2009 US$=Yen Euro=Yen 90.21 131.72 As of March 31, 2010 US$=Yen Euro=Yen 93.04 124.92 2. Geographic information 【1st ha lf results】 Term Region Japan Americas Europe Asia and others Eliminations Total Net sales Operating income (loss) Net sales Operating income Net sales Operating income (loss) Net sales Operating income Net sales Operating income Net sales Operating income 1H of FY2011 1H of FY2010 (April 1, 2010 (April 1, 2009 Change September 30, 2009) September 30, 2010) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) 30,326 152,656 100.0 1,817,333 24.8 100.0 122,330 12,689 (2,316) -1.5 (27,571) -12.3 (15,005) 8,317 20.0 100.0 41,679 49,996 100.0 595,190 44,952 899 31.2 2,877 7.6 6.9 3,776 28.1 100.0 92,446 1,100,548 20,277 72,169 100.0 (10,676) -14.8 (2,000) (23,810) 8,676 -2.2 100.0 327,706 100.0 41,294 286,412 14.4 3,901,262 9.9 11.7 38,304 456,000 34.7 28,443 9,861 43,831 136,739 2,149,643 180,570 339 237 576 6,857 100.0 5,264,690 56,383 14.6 100.0 442,234 385,851 5,402 37,188 8.4 31,786 588.4 442,714 1.4 【2nd quarter results】 Term Region Japan Americas Europe Asia and others Eliminations Total Net sales Operating income (loss) Net sales Operating income Net sales Operating income (loss) Net sales Operating income Net sales Operating income (loss) Net sales Operating income 2Q of FY2010 2Q of FY2011 (July 1, 2009 Change (July 1, 2010 September 30, 2009) September 30, 2010) (Yen millions) (Yen millions) % % (U.S.$ thousands) (Yen millions) Change(%) 100.0 909,226 66,266 100.0 76,375 10,109 15.3 (4,706) -7.1 (3,206) -4.2 (38,167) 1,500 22,838 100.0 24,071 100.0 286,560 1,233 5.4 1,302 5.7 1,156 4.8 13,762 (146) -11.2 38,918 100.0 47,631 100.0 567,036 8,713 22.4 (4,325) -11.1 (675) -1.4 (8,036) 3,650 152,264 100.0 162,071 100.0 1,929,416 9,807 6.4 16,486 10.8 19,385 12.0 230,774 2,899 17.6 75,981 89,839 1,069,512 13,858 (290) (319) (3,798) (29) 204,305 100.0 220,309 100.0 2,622,726 16,004 7.8 9,047 4.4 16,979 7.7 202,131 7,932 87.7 Notes: 1 Net sales in each geographic area are based on the location of TDK entities where the sales are generated. 2 U.S.$1=Yen 84, for convenience only. 15 TDK Corporation Consolidated 2Q of FY March 2011(U.S. GAAP) 3. Sales by region 【1st ha lf results】 Term Region Americas Europe Asia and others Overseas sales total Japan Net sales 1H of FY2010 (April 1, 2009 September 30, 2009) (Yen millions) % 9.5 36,470 13.4 51,674 248,898 64.5 87.4 337,042 48,809 12.6 385,851 100.0 1H of FY2011 (April 1, 2010 September 30, 2010) (Yen millions) (U.S.$ thousands) % 47,383 10.7 564,083 62,854 14.2 748,262 276,915 62.6 3,296,607 387,152 4,608,952 87.5 55,082 655,738 12.5 100.0 442,234 5,264,690 2Q of FY2010 (July 1, 2009 September 30, 2009) (Yen millions) % 19,979 9.8 27,437 13.4 131,117 64.2 178,533 87.4 25,772 12.6 204,305 100.0 2Q of FY2011 (July 1, 2010 September 30, 2010) (Yen millions) (U.S.$ thousands) % 23,645 10.7 281,488 31,081 14.1 370,012 137,907 62.6 1,641,750 192,633 87.4 2,293,250 27,676 12.6 329,476 220,309 100.0 2,622,726 Change (Yen millions) Change(%) 10,913 11,180 28,017 50,110 6,273 56,383 29.9 21.6 11.3 14.9 12.9 14.6 【2nd quarter results】 Term Region Americas Europe Asia and others Overseas sales total Japan Net sales Notes: 1 Overseas sales are based on the location of the customers. 2 U.S.$1=Yen 84, for convenience only. Change (Yen millions) 3,666 3,644 6,790 14,100 1,904 16,004 Change(%) 18.3 13.3 5.2 7.9 7.4 7.8 4. Company group As of September 30, 2010, TDK had 130 subsidiaries (18 in Japan and 112 overseas). TDK also had 8 affiliates (4 in Japan and 4 overseas) whose financial statements are accounted for by the equity method. 16